Map of Kentucky and other states showing the total rainfall along the Ohio River basin during January 1937. Labeled Isopluvials showing points of equal rainfall in inches. Prepared from Reports furnished by U.S. Weather Bureau of Rainfall observed...

Map of Louisville showing total rainfall along during January 1937. Labeled Isopluvials showing points of equal rainfall in inches. Prepared from Rainfall Records of 11 Commissioners of Sewerage Rain Gages [Gauges], 1 Government maintained...